Home / 5,620.40-8,424.12-3,304.88

Finding the Fourth Proportional to 5,620.40, 8,424.12 and 3,304.88

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Solution

The fourth proportional to 5,620.40, 8,424.12 and 3,304.88 is: 4,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.40 : 8,424.12 = 3,304.88 : x
  2. Step 2: Convert to fraction form
    5,620.40/8,424.12 = 3,304.88/x
  3. Step 3: Cross multiply
    5,620.40x = 8,424.12 × 3,304.88
  4. Step 4: Simplify right side
    5,620.40x = 27,840,705.71
  5. Step 5: Solve for x
    x = 27,840,705.71/5,620.40
  6. Step 6: Final answer
    x = 4,953.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.